The natural extinction rate defines background extinction
<u>Explanation:</u>
Extinction endured primarily control of paleontology. Background extinctions are the continuous importance of common environmental variations, local disasters, or inter species conflict. Background extinction is principally a local appearance. It happens only one or a few species at any time, habitually inside a distinct area.
Ecologists measure that the present-day extinction rate is 1,000 to 10,000 times the background extinction rate between one and five species per year because of deforestation, environment loss, over hunting, pollution, climate modification, and other human activities.
Answer:
C. Using cell phones while driving increases the likelihood of crashing.
Explanation:
As the statement mentions, science and technology have improved our livelihoods significantly. However, they have also brought numerous disadvantages.
The development of cell phones has made our lives easier. In contrast to [only] 50 years ago, <u>communication has become extremely easy and fast</u>. We are able to share our location with someone in less than a minute and to call a family member even if we are thousands of kilometers away.
However, people are now overusing these equipments, which has led to an increase of road accidents due to the lack of concentration while driving. For instance, according to statistics, in 2018 over 4,000 people died in car crashes because they were using cell phones while driving.
Therefore, <u>a negative effect of using cell phones would be C. using cell phones while driving increases the likelihood of crashing.</u>
True, causal contact is safe and does not spread HIV